Home / 2,099.11-3,148.65-1,000.15

Finding the Fourth Proportional to 2,099.11, 3,148.65 and 1,000.15

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Solution

The fourth proportional to 2,099.11, 3,148.65 and 1,000.15 is: 1,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.11 : 3,148.65 = 1,000.15 : x
  2. Step 2: Convert to fraction form
    2,099.11/3,148.65 = 1,000.15/x
  3. Step 3: Cross multiply
    2,099.11x = 3,148.65 × 1,000.15
  4. Step 4: Simplify right side
    2,099.11x = 3,149,122.30
  5. Step 5: Solve for x
    x = 3,149,122.30/2,099.11
  6. Step 6: Final answer
    x = 1,500.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.